20802074852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19991}}^1\times {\mathrm{20011}}^1$

素因数の和:40019

約数の個数: 24

約数和(自身を含む): 39207830592

約数和(自身を除く): 18405755740

約数列:

[1, 2, 4, 13, 26, 52, 19991, 20011, 39982, 40022, 79964, 80044, 259883, 260143, 519766, 520286, 1039532, 1040572, 400039901, 800079802, 1600159604, 5200518713, 10401037426, 20802074852]

約数ペア:

[(1, 20802074852), (2, 10401037426), (4, 5200518713), (13, 1600159604), (26, 800079802), (52, 400039901), (19991, 1040572), (20011, 1039532), (39982, 520286), (40022, 519766), (79964, 260143), (80044, 259883)]